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L1CAM Gene Sequencing & Del/Dup

New York
Approved


Genes

L1CAM

Conditions

  • CRASH Syndrome
  • MASA Syndrome

Clinical Utility

  • Patients with hydrocephalus and at least one L1CAM–associated finding
  • Carrier testing in female relatives
  • Risk assessment
  • Prenatal diagnosis in at-risk pregnancies

Lab Method

  • Next-Gen Sequencing
  • Deletion/Duplication Analysis

Test Code

552

CPT Codes*

81407x1

ABN Required

No

Turnaround Time**

3 weeks

Preferred Specimen

2-5 mL Blood - Lavender Top Tube

Alternative Specimen

Buccal Swabs | Extracted DNA

*The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

**Reporting times are typical and begin once the sample(s) are received at the GeneDx laboratory, but could be extended in situations outside GeneDx’s reasonable control.